... leather, etc. All the series of products are best material for clothing, sports wear, winter coat, police clothing, uniform, raincoat, umbrellas ... fabric have excellent Q feeling and comfortable .It is used for finishing treatment of Polyester Pongee, Taslan , Knitted fabric, cotton ... )can dissolve in DMF but not dissolved in water, to form a large number of honeycomb-like micro-porous structure, to ...